Heavy legacy Magento platform migrating to an open modular Medusa.js stack

Magento vs Medusa.js: Which Wins for Enterprise Migration?

Adobe Commerce licensing, heavy maintenance, and PHP upgrade cycles are optional. Here is the honest comparison of cost, control, and ownership, and when migrating off Magento actually pays off.

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THE REAL COST DELTA

What does Magento actually cost at enterprise scale?

Adobe Commerce licensing

Adobe Commerce (the enterprise edition) is licensed on a sliding scale tied to your gross sales, commonly landing between $22,000 and $125,000+ per year, before any development.

Maintenance cost

Magento is a large PHP monolith. Security patches, version upgrades, and a shrinking pool of specialized Magento developers make ongoing maintenance one of the largest line items in the platform.

Infrastructure overhead

Running Magento well requires heavy hosting plus Elasticsearch, Varnish, and Redis. Scaling and keeping pages fast is a constant, costly effort rather than a default.

Where does Medusa.js win, and where does Magento still make sense?

Medusa wins on total cost of ownership

Medusa.js is open-source with no license fee. Once Adobe Commerce licensing plus Magento maintenance exceeds the cost of running an owned stack, Medusa is materially cheaper, and it removes the license entirely.

Medusa wins on modern stack and performance

Medusa is Node.js and TypeScript with a Next.js storefront rendered server-side. Pages are fast by default, the developer pool is large, and the architecture is modular instead of a monolith.

Magento still wins on out-of-the-box breadth

If you rely heavily on Magento’s mature native B2B, multi-store, and extension ecosystem and have no engineering team, its feature breadth out of the box is still an advantage.

The honest rule of thumb

Migrate when license and maintenance costs exceed what an owned stack costs to run, when upgrade cycles and performance block growth, or when you need infrastructure ownership. If you lean on Magento’s native features with no dev team, stay.

THE MIGRATION, DE-RISKED

How does Seeed migrate Magento to Medusa without losing SEO or catalog data?

SEO preservation

Full URL and 301 map, metadata parity, structured data, and SSR/ISR rendering so rankings carry over. Parity is validated before cutover, not after.

Data migration

Products, categories, customer accounts, and order history move across with validation. Your Shopify Plus store, ERP, and Magento data stay consistent through a phased cutover.

ERP and Square

We connect ERP systems (DDI Advantix in production) and Square payments via the @weareseeed/medusa-square-plugin, so operations and checkout keep working from day one.

ROWLAND SAER, SEEED.US

“Magento made sense when a monolith was the only option. Today you are paying a license and a maintenance tax for architecture you could own outright, and the migration usually pays for itself inside a year.”

Magento vs Medusa: common migration questions?

The questions enterprise teams ask before committing to a Magento or Adobe Commerce migration.

Talk to a Solutions Architect

Tell us your Magento version (Magento 1, Magento 2, or Adobe Commerce), GMV, and key extensions. We will model the migration scope, savings, and timeline, no obligation.

Book Your Free Shopify Plus Migration Assessment

Tell us your current Shopify Plus plan, GMV, and key apps. We will model the migration scope, savings, and timeline.

No transaction fees after migration

No transaction fees after migration

Square processes at standard rates. No Shopify surcharge ever again.

Full checkout ownership

Full checkout ownership

Medusa checkout is open-source. Build what your business needs.

Zero platform fees forever

Zero platform fees forever

Medusa.js is MIT-licensed. Hosting costs replace platform costs.

30-day post-launch support

30-day post-launch support

SEO monitoring, edge case fixes, Search Console management.